20085138220

Names of 20085138220

• Cardinal: 20085138220 can be written as Twenty billion, eighty-five million, one hundred thirty-eight thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.008513822 × 10¹⁰

Factors of 20085138220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 499934

Divisors of 20085138220

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 41 49 70 82 98 140 164 196 205 245 287 410 490 574 820 980 1148 1435 2009 2870 4018 5740 8036 10045 20090 40180 499879 999758 1999516 2499395 3499153 4998790 6998306 9997580 13996612 17495765 20495039 24494071 34991530 40990078 48988142 69983060 81980156 97976284 102475195 122470355 143465273 204950390 244940710 286930546 409900780 489881420 573861092 717326365 1004256911 1434652730 2008513822 2869305460 4017027644 5021284555 10042569110 20085138220
• Sum of all divisors σ(n): 50261934240
• Sum of proper divisors (its aliquot sum) s(n): 30176796020
• 20085138220 is an abundant number, because the sum of its proper divisors (30176796020) is greater than itself. Its abundance is 10091657800

Bases of 20085138220

• Binary: 10010101101001010101110001100101100₂
• Hexadecimal: 0x4AD2AE32C
• Base-36: 98667U4

Squares and roots of 20085138220

• 20085138220 squared (20085138220²) is 403412777316504768400
• 20085138220 cubed (20085138220³) is 8102601392116078960603088248000
• The square root of 20085138220 is 141722.0456386375
• The cube root of 20085138220 is 2718.2638421371

Scales and comparisons

• 20,085,138,220 seconds is equal to 638 years, 33 weeks, 3 days, 21 hours, 3 minutes, 40 seconds.
• To count from 1 to 20,085,138,220 would take you about one thousand, two hundred seventy-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20085138220 cubic inches would be around 226.5 feet tall.

Recreational maths with 20085138220

• 20085138220 backwards is 02283158002
• The number of decimal digits it has is: 11
• The sum of 20085138220's digits is 31
• More coming soon!